Windows Maintenance

Commands:

• sfc: Scans all protected Windows system files and replaces corrupted, missing, or changed files with the correct Microsoft versions.
• chkdsk: Scans the hard drive for file system errors and bad sectors. Fixes logical file system issues and marks bad sectors.
• bootrec: Used for repairing boot-related issues like corrupted Master Boot Record (MBR), boot sector, or Boot Configuration Data (BCD).
• DISM: Repairs the Windows Component Store (WinSxS), which stores files needed by SFC. Fixes corruption in the system image used to repair system files.
• msconfig: Startup and service configuration. Diagnose boot and startup problems.
• diskpart: Disk partitioning utility.
• gpupdate: Group policy update.

Examples:

• sfc /scannow: Performs a file system scan. (Corrupted files.)
• chkdsk /f /r: Repair disk and file system errors. (Disk errors.)
• DISM /restorehealth: Repair system image. Fix corrupted component store for SFC.
• gpupdate /force: Force Group Policy refresh.

Services